Connector for air-breathing apparatus



FIG. 1 is a perspective view of one side, top and front of a connector for air-breathing apparatus showing our new design, with a pressure regulator being shown in broken lines for illustrative operative understanding;

FIG. 2 is a perspective view of the other side, bottom and back of the apparatus shown in FIG. 1. 

The ornamental design for a connector for air-breathing apparatus, as shown and described. 